Physiology of Vasodilation
18 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the underlying mechanism of nerve conduction block due to hyperstimulation?

  • Blocking of nodes of Ranvier
  • Increased nerve conduction velocity
  • Slow Na channels (correct)
  • Fast Na channels

    • What theory explains the decrease in pain sensation through cutaneous thermoreceptors?

  • Nerve conduction block theory
  • Muscle strength theory
  • Metabolic rate theory
  • Gate control theory (correct)

    • What is a contraindication for superficial heat therapy in patients with demyelinating conditions?

  • Muscle spasm
  • Cutaneous thermoreceptors
  • Chronic wound
  • Multiple sclerosis (correct)

    • What is the effect of heat therapy on muscle strength during the initial 30 minutes?

    <p>Decrease in muscle strength</p> Signup and view all the answers

    What is the effect of heat therapy on enzymatic activity in the range of 39°C to 43°C?

    <p>Increase in enzymatic activity</p> Signup and view all the answers

    What is the primary mechanism by which heat is transferred through conduction?

    <p>The direct contact between a warm surface and a cooler surface</p> Signup and view all the answers

    What is the effect of heat therapy on the healing of articular cartilage in patients with rheumatoid arthritis?

    <p>Accelerate destruction</p> Signup and view all the answers

    Which of the following is an example of a heat transfer method that does not require direct contact?

    <p>Radiation through an infrared lamp</p> Signup and view all the answers

    What is the primary factor that affects the rate of heat transfer through conduction?

    <p>The surface area of contact between the two surfaces</p> Signup and view all the answers

    Which of the following heat transfer methods involves the conversion of nonthermal energy into heat?

    <p>Conversion of ultrasound energy into heat</p> Signup and view all the answers

    What is the primary mechanism by which topical analgesics provide heat to the muscles?

    <p>Conversion of chemical energy into heat</p> Signup and view all the answers

    What is the primary advantage of using heat therapy to increase blood flow during healing?

    <p>It increases muscle strength</p> Signup and view all the answers

    What is a crucial factor to consider when applying heat therapy to increase circulation?

    <p>Client's individuality</p> Signup and view all the answers

    What is the primary mechanism by which heat therapy increases muscle strength?

    <p>Decreased neuromuscular inhibition</p> Signup and view all the answers

    Which of the following is a metabolic effect of heat therapy?

    <p>Decreased cardiovascular workload</p> Signup and view all the answers

    What is the primary reason for avoiding heat therapy in patients with cardiac risk factors?

    <p>Increased cardiac workload</p> Signup and view all the answers

    According to the gate control theory, what is the mechanism by which heat therapy relieves pain?

    <p>Inhibition of pain transmission</p> Signup and view all the answers

    What is a contraindication for superficial heat therapy?

    <p>Malignant tissue</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser